<template>

  <div class="login-container">
    <div class="bg">
      <div class="cloud_one" />
      <div class="cloud_two" />
      <div class="cloud_three" />
    </div>
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <img src="http://power.applinzi.com/wangyuan/static/img/logo_pest.png" alt="">
      <div class="title-container">
        <h3 class="title">重大林草生物灾害监测预警</h3>
        <h3 class="title">智慧云服务平台</h3>
      </div>
      <el-form-item prop="account">
        <span class="svg-container el-icon-user-solid" />
        <el-input v-model="loginForm.account" placeholder="请输入用户名" />
      </el-form-item>
      <!-- 密码 -->
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button :loading="loading" @click="submitLogin">登录</el-button>
    </el-form>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (validUsername(value)) {
        callback()
      } else {
        callback(new Error('电话号码格式不对'))
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 3) {
        callback(new Error('密码格式错误'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        account: '13464748613',
        password: 'admin'
      },
      loginRules: {
        account: [
          { required: true, trigger: 'blur', validator: validateUsername }
        ],
        password: [
          { required: true, trigger: 'blur', validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    submitLogin() {
      this.$refs.loginForm.validate(async(vali) => {
        // console.log(vali)
        if (vali) {
          try {
            this.loading = true
            await this.$store.dispatch('user/userLogin', this.loginForm)
            this.$message.success('登录成功')
          } finally {
            this.loading = false
          }
          this.$router.push('/')
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: black !important;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: skyblue;
$dark_gray: #889aa4;
$light_gray: #eee;
img{
    height: 168px;
    width: 168px;
    margin-left: 30%;
  }
.login-container {
  height: 100%;
  width: 100%;
  background: url(http://power.applinzi.com/wangyuan/static/img/bg.jpg) no-repeat;
  background-position: center;
  background-size:cover;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: rgb(75, 75, 75);
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    color: red !important;

    .title {
      font-size: 26px;
      color: green !important;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
.el-button{
  width: 100%;
  background-color:#00C17A;
  border: #00C17A 1px solid;
  color: #fff;
}
// 动态云
// .bg{}
.bg .cloud_one{
            width: 300%;
            height: 100%;
            background: url(../../assets/yun/yun1.png);
            background-size:contain;
            position: fixed;
            top:-60%;
            left: 0;
            animation: cloud 10s linear infinite ;
        }
        .bg .cloud_two{
          background: url(../../assets/yun/yun2.png);
          background-size:contain;
            width: 300%;
            height: 100%;
            position: fixed;
            top: -60%;
            left: 0;
            animation: cloud 15s linear infinite ;
        }
        .bg .cloud_three{
          background: url(../../assets/yun/yun3.png);
          background-size:contain;
            width: 300%;
            height: 100%;
            position: fixed;
            top: -60%;
            left: 0;
            animation: cloud 20s linear infinite ;
        }
        @keyframes cloud{
            from{
                left: 0;
            }
            to{
                left: -200px;
            }
        }
</style>
